<template>
  <div class="login-container">
    <div class="login-box">
      <!-- 头像区域 -->
      <div class="avatar-box">
        <img src="../assets/logo.png">
      </div>
      <el-form ref="LoginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重叠</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
  export default {
    name: "Login",
    data(){
      return{
        loginForm: {
          username: 'admin',
          password: '123456'
        },
        loginFormRules:{
          username:[
            {required:true, message:'请输入登录名称', trigger:'blur'},
            {min:3, max:10, message: '长度在3--10', trigger: 'blur'}
          ],
          password:[
            {required:true, message:'请输入登录密码', trigger:'blur'},
            {min:6, max:15, message: '长度在6--15', trigger: 'blur'}
          ],
        }
      }
    },
    methods:{
      resetLoginForm(){
        this.$refs.LoginFormRef.resetFields()
        this.$message.success('重置成功！')
      },
      login(){
        this.$refs.LoginFormRef.validate(async valid => {
          if(!valid) return
          const {data : res} = await this.$http.post('login', this.loginForm)
          if(res.meta.status !== 200) return this.$message.error('登录失败！')
          this.$message.success('登录成功！')
          window.sessionStorage.setItem('token', res.data.token)
          this.$router.push('/home')
        })
      }
    }
  }
</script>

<style scoped>
  .login-container{
    width: 100vw;
    height: 100%;
    position: absolute;
    background-color: #2b4b6b;
  }
  .login-box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .avatar-box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
  }
  img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
  .login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
  .btns {
    display: flex;
    justify-content: flex-end;
  }
</style>